BRPI1013772B1 - junção de túnel magnética e métodos, e memória de acesso aleatório magnética empregando os mesmos. - Google Patents

junção de túnel magnética e métodos, e memória de acesso aleatório magnética empregando os mesmos. Download PDF

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Publication number
BRPI1013772B1
BRPI1013772B1 BRPI1013772-6A BRPI1013772A BRPI1013772B1 BR PI1013772 B1 BRPI1013772 B1 BR PI1013772B1 BR PI1013772 A BRPI1013772 A BR PI1013772A BR PI1013772 B1 BRPI1013772 B1 BR PI1013772B1
Authority
BR
Brazil
Prior art keywords
layer
mtj
fixation
electrode
free layer
Prior art date
Application number
BRPI1013772-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Nowak Matthew
H Kang Seung
Li Xia
Zhu Xiaochun
Original Assignee
Qualcomm Incorparated
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Incorparated filed Critical Qualcomm Incorparated
Publication of BRPI1013772A2 publication Critical patent/BRPI1013772A2/pt
Publication of BRPI1013772B1 publication Critical patent/BRPI1013772B1/pt

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/161—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/165—Auxiliary circuits
    • G11C11/1659—Cell access
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
    • H01F10/3254—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the spacer being semiconducting or insulating, e.g. for spin tunnel junction [STJ]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
    • H01F10/3268—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn
    • H01F10/3272—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn by use of anti-parallel coupled [APC] ferromagnetic layers, e.g. artificial ferrimagnets [AFI], artificial [AAF] or synthetic [SAF] anti-ferromagnets
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
    • H10B61/20—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
    • H10B61/22—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors of the field-effect transistor [FET] type
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/01—Manufacture or treatment
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/10—Magnetoresistive devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/80—Constructional details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Hall/Mr Elements (AREA)
BRPI1013772-6A 2009-04-14 2010-04-14 junção de túnel magnética e métodos, e memória de acesso aleatório magnética empregando os mesmos. BRPI1013772B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/423,298 US8344433B2 (en) 2009-04-14 2009-04-14 Magnetic tunnel junction (MTJ) and methods, and magnetic random access memory (MRAM) employing same
PCT/US2010/031080 WO2010120918A2 (en) 2009-04-14 2010-04-14 Magnetic tunnel junction (mtj) and methods, and magnetic random access memory (mram) employing same

Publications (2)

Publication Number Publication Date
BRPI1013772A2 BRPI1013772A2 (pt) 2016-04-05
BRPI1013772B1 true BRPI1013772B1 (pt) 2019-10-29

Family

ID=42933702

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1013772-6A BRPI1013772B1 (pt) 2009-04-14 2010-04-14 junção de túnel magnética e métodos, e memória de acesso aleatório magnética empregando os mesmos.

Country Status (9)

Country Link
US (2) US8344433B2 (de)
EP (1) EP2419933B1 (de)
JP (3) JP5584754B2 (de)
KR (1) KR101390940B1 (de)
CN (2) CN107093449B (de)
BR (1) BRPI1013772B1 (de)
ES (1) ES2487627T3 (de)
TW (1) TWI474472B (de)
WO (1) WO2010120918A2 (de)

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US8344433B2 (en) 2009-04-14 2013-01-01 Qualcomm Incorporated Magnetic tunnel junction (MTJ) and methods, and magnetic random access memory (MRAM) employing same
US8450818B2 (en) * 2009-06-18 2013-05-28 Dmitri E. Nikonov Methods of forming spin torque devices and structures formed thereby
US8796794B2 (en) * 2010-12-17 2014-08-05 Intel Corporation Write current reduction in spin transfer torque memory devices
US9793467B2 (en) * 2011-12-20 2017-10-17 Intel Corporation Method for reducing size and center positioning of magnetic memory element contacts
US10192217B1 (en) 2012-04-25 2019-01-29 Wells Fargo Bank, N.A. System and method for receipt tracking in a mobile wallet
US10235668B1 (en) 2012-04-25 2019-03-19 Wells Fargo Bank, N.A. System and method for a mobile wallet
US9047964B2 (en) 2012-08-20 2015-06-02 Qualcomm Incorporated Multi-level memory cell using multiple magnetic tunnel junctions with varying MGO thickness
US8982613B2 (en) * 2013-06-17 2015-03-17 New York University Scalable orthogonal spin transfer magnetic random access memory devices with reduced write error rates
DE112013007035T5 (de) 2013-06-29 2016-01-21 Intel Corporation Magnetelement für Speicher und Logik
US9203017B2 (en) 2013-08-02 2015-12-01 Samsung Electronics Co., Ltd. Method and system for providing magnetic junctions including a package structure usable in spin transfer torque memories
US9042060B2 (en) 2013-09-25 2015-05-26 HGST Netherlands B.V. Magnetic head having a long throat height pinned layer with a short height hard bias layer
KR20150095187A (ko) * 2014-02-11 2015-08-20 한양대학교 산학협력단 수직자기이방성을 갖는 mtj 구조
US10158065B2 (en) 2014-07-07 2018-12-18 Intel Corporation Spin-transfer torque memory (STTM) devices having magnetic contacts
US10026888B2 (en) * 2014-08-06 2018-07-17 Toshiba Memory Corporation Magnetoresistive effect element and magnetic memory
KR102276541B1 (ko) * 2014-11-27 2021-07-13 삼성전자주식회사 자기 메모리 장치 및 이의 제조 방법
KR101705962B1 (ko) * 2015-01-19 2017-02-14 한양대학교 산학협력단 수직자기이방성을 갖는 mtj 구조 및 이를 포함하는 자성소자
US9583170B2 (en) 2015-02-12 2017-02-28 Qualcomm Incorporated Adjusting resistive memory write driver strength based on a mimic resistive memory write operation
US9666792B2 (en) 2015-08-12 2017-05-30 Qualcomm Incorporated Shadow-effect compensated fabrication of magnetic tunnel junction (MTJ) elements
US9813049B2 (en) 2015-08-12 2017-11-07 Qualcomm Incorporated Comparator including a magnetic tunnel junction (MTJ) device and a transistor
CN106229004B (zh) * 2016-07-11 2018-08-28 北京航空航天大学 一种光写入的非易失性磁存储器
US9853205B1 (en) * 2016-10-01 2017-12-26 International Business Machines Corporation Spin transfer torque magnetic tunnel junction with off-centered current flow
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WO2018125634A1 (en) * 2016-12-27 2018-07-05 Everspin Technologies, Inc. Data storage in synthetic antiferromagnets included in magnetic tunnel junctions
US9985199B1 (en) * 2017-03-15 2018-05-29 International Business Machines Corporation Prevention of switching of spins in magnetic tunnel junctions by on-chip parasitic magnetic shield
JP7023637B2 (ja) * 2017-08-08 2022-02-22 株式会社日立ハイテク 磁気トンネル接合素子の製造方法
US10790016B2 (en) 2018-03-02 2020-09-29 Western Digital Technologies, Inc. Probabilistic neuron circuits
US10200058B1 (en) 2018-04-24 2019-02-05 Sandisk Technologies Llc Analog-to-digital conversion with magnetic tunnel junctions
US10732933B2 (en) 2018-05-10 2020-08-04 Sandisk Technologies Llc Generating random bitstreams with magnetic tunnel junctions
CN113809117B (zh) * 2020-06-16 2023-12-22 联华电子股份有限公司 半导体元件及其制作方法

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Also Published As

Publication number Publication date
CN102388454B (zh) 2016-11-02
US8889431B2 (en) 2014-11-18
CN107093449B (zh) 2021-04-09
JP2014146840A (ja) 2014-08-14
JP6196250B2 (ja) 2017-09-13
JP2015109480A (ja) 2015-06-11
JP5584754B2 (ja) 2014-09-03
JP2012524415A (ja) 2012-10-11
US20130134533A1 (en) 2013-05-30
KR101390940B1 (ko) 2014-05-02
CN102388454A (zh) 2012-03-21
TW201106468A (en) 2011-02-16
CN107093449A (zh) 2017-08-25
WO2010120918A2 (en) 2010-10-21
US20100258887A1 (en) 2010-10-14
EP2419933A4 (de) 2013-04-03
EP2419933B1 (de) 2014-06-18
EP2419933A2 (de) 2012-02-22
BRPI1013772A2 (pt) 2016-04-05
US8344433B2 (en) 2013-01-01
JP5710821B2 (ja) 2015-04-30
TWI474472B (zh) 2015-02-21
WO2010120918A3 (en) 2011-01-20
ES2487627T3 (es) 2014-08-22
KR20120006056A (ko) 2012-01-17

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/04/2010, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/04/2010, OBSERVADAS AS CONDICOES LEGAIS